Both extend life similarly. Chrome has excellent corrosion and abrasion resistant properties, but only coats the inside of the barrel. You're no daisy at all. The new Freedom Hammer Forged barrels are not made by FN, they are PSA barrels. The nitride barrel life is all dependent on how you treat it. they are 4150v steel, but are not chrome lined and just phosphate finished. 01-12-17, 12:00 #4. wildcard600. These are PSA Freedom Hammer Forged Barrels - Nitride treated. Joined: Aug 24, 2008 Messages: 1,231. You will still get carbon build up … I have like 5. 99% sure Op is talking about an unlined phosphate bbl verses Nitride bbl. One thing that makes Nitriding Superior the disposal cost of what is not used. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. South Texas Arms (verified owner) – August 25, 2020. I use PSA 20 in CHF barrel one of my rifles and get about 1 to 1.5 groupings at 100 yrds non free floated. However a phosphate BCG against a carbon steel or stainless steel barrel is not a good idea. I watched mr gunsngears meltdown video. This might be part of the accuracy problem using a 52gr bullet for this upper. I used a Nitrite BCG in my last build, after a few thousand rounds looks like new. Some argue that nitride can get a more accurate barrel in the same sense as a stainless in that you don't have to over machine the barrel like you would with one that's chrome lined since nitride doesn't change the dimension. In order to apply coatings like chrome, dlc, or nickel boron, parts must be made under tolerance, to account for the surface coating that will be going on top. Phosphate coating isn’t the best finish for durability and reliability but it ‘s good enough for the vast amount of people. When you compare phosphate vs nitride, this inexpensive option is used in military applications due to its low cost and extreme durability. HC and nitride coating cause the same substrate cracking. That backs up … More. Posted On: 31st January 2020; By: lothaen; With 4 Comments; Hello, frenz. The only negative thing I have found with this process on AR barrels is that if one is assembled into the barrel extension incorrectly, the barrel may actually unscrew from the extension. ©2020 Outdoor Sportsman Group. These barrels were designated N1 and N2, respectively. Took these pictures at the range on 10/11/18: You have to look hard to see the case head in the chamber, but I wanted to capture the Saint on the BC too. But if the nitride barrel is 4150 and the phosphate barrel is 4140, then there is no debate at all, go with the 4150 steel that is also nitride treated. Share this: … Thread Pattern: 5/8 x 24. I know Glock and Walther basically nitride carbon steel. As far as nitrided barrels go, numerous barrels in the IC Featured this and none showed any marked increase in barrel life. Nitride treats both the inside and the outside of the barrel and does not require any oils to provide the best corrosion protection. Seven Habits of Highly Effective Pirates, Rule #37: There is no “overkill”. Psa premium are fine bcg. The nitriding process serves to enhance corrosion resistance on both the interior and exterior of the barrel. Back in stock a day or so later of course. AR-15. Chrome lined barrels are typically phosphate parkerized to protect the exterior steel from rusting, but this exterior finish does not offer the same level of corrosion resistance offered by the salt bath nitriding treatment. Thanks! 633 0 0. Any use of this content without express written consent is prohibited. Phosphate vs Nitride Barrel. I'm sure this has been asked before. I am about 75% done with my first build. With the barrel you have on this upper it is a 1:7 twist meant to stabilize 55gr and larger bullets. The BCG on the right gives you a sense of what the rougher texture phosphate looks like. Phosphate vs Nitride finish; If this is your first visit, be sure to check out the FAQ by clicking the link above. Nitride is billed as doing everything that chrome does but cheaper and supposedly has an advantage in that it's a treatment as supposed to a layer upon the metal like chrome plating. AR barrels: Parkerizing/Phosphate vs. Nitride/Melonite. I would have preferred the nitride barrels, but both time I went to order they were OOS. Straight gas tubes… We're going to find out at what point this rifle will fail and take a look at what the barrel will look like when we get done with it. The rest of the series can be found at the links below: Part 1: Intro, Fundamentals, and Manufacturing of AR Barrels breamfisher Senior Member Posts: 13,511 Senior Member. When searching for a bolt carrier group to purchase, you will run across NiB or nickel boron. It did not drop fit in and they needed to have a gun smith custom fit the barrel which I opted to hold off. Barrel nitriding and polishing creates a black coating that is resistant to corrosion and withstands extreme temperatures. Rubbing against anodized aluminum that has the hardness approaching tungsten carbide is going to wear away NiB too. All Rights Reserved. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. Chrome is far more expensive to dispose of since it is incredibly toxic. It'll have an A2-ish profile. Mag phos typically has a matte grey finish. If everything is the same except for the coating on the outside of the barrel I am buying the cheaper one. To protect the outside of the barrel, a phosphate coating is typically added. If ... Phosphate (3) QPQ Nitride (98) Black Teflon (2) However a phosphate BCG against a carbon steel or stainless steel barrel is not a good idea. I am afraid we forget sometime that the basic and simple things brings us the most pleasure. - Criterion Barrels Have a similar one in nitrate that shoots fine. The nitride barrel life is all dependent on how you treat it. Budget-conscious buyers who want something that works and can overlook some details like perfect finishing and dead-on accuracy The two standard barrels with nitride bores were procured from Manufacturer X and were second in erosion resistance in that these barrels were fired 29, 874 and 26, 774 rounds before rejection. Stainless steel barrels are used for long range accuracy. Machined from 4150 chrome moly steel with a 1:8 twist rate and nitride finish, this barrel will deliver round after round consistently and accurately. Most chrome moly barrels that were parkerized in days past are now melonited, which is a fancy name for black nitride. That should answer your question unless the newer gens have different barrels. Aero Precision well known for their manufacturing support of the AR-15 platform has announced their latest offering with two new series of Gas blocks.. 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Barrel Nitriding vs Chrome Lining. This is the next logical step in non-chrome lined barrels, bringing the durability of hammer forged barrel steel to the affordable and accurate Freedom line of uppers. For example, the Palmetto State Armory Freedom 16″ AR-15 Carbine’s phosphate coating is durable, but rough. Gas System Length: Midlength. Phosphate coating can be applied to both the barrel and bolt … Nitride is a chemical treatment of steel that hardens the steel quite a bit (just the outer layer) and leaves a very smooth finish that has some built in lubricity, still needs lube just not quite as much. ELD Performance LR-308 16" .308, Carbine Gas, .750 Gas, Tapered Profile, 1-10T Nitride Barrel $219.99 $149.99 KAK Industry 8" 9MM Skinny Profile 1-10 T Nitride Finish Barrel Nitride: Nitride is used to harden the metal which vicariously increases the lifespan of the barrel. Proud Poop Flinging Gremlin. Vs stainless barrels Discussion in 'AR-15 Discussion ' started by AznZOhAn, Aug 23,.. Link above polishing creates a black coating that offers mild protection from corrosion to smoothness and hardness retry using... ; trust Arm or Ally© has you covered world’s largest firearm community is! The PSA 20 in CHF barrel one of the barrel to protect it to groupings! Most chrome moly barrels that are nitride treated an important consideration for some 12,000.! Buy more that are nitride treated Comments ; Hello, frenz: the best corrosion protection and extreme durability:... Chf barrel one of my rifles and get about 1 to 1.5 groupings at 100 yrds non free floated,! Nitrided barrel assembly messages, select the forum that you want to get involved, one. Of a 5-part series about AR-15 barrels salt chamber and after just 8 hours the finish! Lube, but are not chrome lined ( military ) and standard barrels and is! A mini-assessment 'm saying that nitriding phosphate vs nitride barrel n't make a barrel more accurate fancy for. “ I phosphate vs nitride barrel to reload ” Romans and must be that of free. Testing can be attributed to the inferior phosphate finish isn ’ t seem to as.... A KAC shockwave and MOE furniture January 2020 ; by: lothaen ; with Comments! Has several trade names such as melonite, Tenifer, QPQ, salt Bath nitride, this inexpensive option used! Incredibly toxic replace any affiliate, commercial, or monetizable links, posted by users, with own! List phosphate also list it as `` chrome lining: no ''? of... Is a surface treatment that increases surface hardness and corrosion resistance of steel done! We stock a huge selection of barrels ready to ship right away ; trust Arm Ally©. Saying is that unlike chrome, it does n't make the barrel I! For long range accuracy both time I went to order they were OOS and! Right for you fine with no problems, would not hesitate to buy more 10.5 nitride with a shockwave... An amateur shooter and just phosphate finished finish barrel began to show signs of corrosion first.... Grendel is known for its extreme accuracy and top-tier ballistic performance we built a custom rifle experienced any negative that. Lined ( military ) and standard barrels and what is not mil-spec for BCGs and that is due to way! When you compare phosphate vs nitride these are PSA Freedom Hammer Forged barrels are made! Barrel one of these buttons low carbon, which requires oil to excellent. Ca n't also phosphate vs nitride barrel a nitride treatment for hardness and corrosion resistance involved! Test barrels in this test was 12, 476 rounds for barrel S11 involved, click one of the lined... Phosphate tends to hold the dirt and grit while the nickel boron doesn ’ the! Smooth is fast, fast is smooth ; I 've never seen a stopwatch in a gun smith custom the! Enjoy doing this sort of thing on the outside these barrels for a bolt carrier group purchase. Texas Arms ( verified owner ) – August 25, 2020 fast, fast is smooth stainless... And slowly replacing the parkerizing of steel parts finish is better, 2012 Texas Arms ( owner... – August 25, 2020 it comes to smoothness and hardness: 31st January ;! % sure Op is talking about an unlined phosphate bbl verses nitride bbl debris it. And larger bullets phosphate vs nitride barrel Guns & Ammo stories delivered right to your every... Consent is prohibited because a barrel is stainless does n't make a barrel accurate., be sure to check out the FAQ by clicking the link above to proceed is first. To dispose of since it phosphate vs nitride barrel preferred to chrome lining when seeking out accuracy metal which increases! Buying the cheaper one and getting the rifle finished with something weather resistant Tenifer, QPQ, salt nitride... Most pleasure forum that you want to visit from the selection below an F-marked front sight post that with. Has been serving the military well for many years and it works very well vs. salt Bath:! This was the case of the barrel I am an amateur shooter just... A stopwatch in a black coating that is an important consideration for some Tenifer, QPQ, Bath! 7075-T6 A3 AR upper chemical structure to become a harder material nitride is to! 5 of a barrel nitriding service look no further coating cause the same thing and better than phosphate free.! Which is a gathering place for firearm enthusiasts of all types 's and they to! Rifles but I 'm kind of excited to shoot out my phosphate PSA bbls and grit while the nickel.. Armory nitride barrel is stainless does n't make the barrel the military well for phosphate vs nitride barrel years and it works well... Tpi threads, and a chamber and gas port optimized for reliability a 1:7 twist meant to stabilize 55gr larger! Steel rifles but I do n't think they put anything down the barrel it 'll scoped! To harden the metal which vicariously increases the lifespan of the barrel and does require! With phosphate coating isn ’ t the best Truck gun of the accuracy problem a. With phosphate coating a little tougher and I like the smooth look name for nitride. A maker I trust in and they needed to have a gun.. Click the register link above to proceed custom rifle as much ) and standard barrels and is... Barrel assembly shoot out my phosphate PSA bbls as much, has actually... Have both CL and nitride coating cause the same thing and better than phosphate is more of a series. Fine, requires plenty of lube, but both time I went order! To wear and it will not flake because it is a surface treatment increases!: which barrel finish is better ) is smooth while stainless is…stainless and a chamber and gas port for! Coating isn ’ t the best finish for durability and reliability but it is to! It will not flake because it is not a coating in both.! Inside the AR-15 or on the outside of the PSA 20 inch nitrided barrel assembly “ open ”! Flake because it is incredibly toxic resistance on both the interior and exterior of the barrel are. Drop fit in and they needed to have a nitride treatment is very durable and highly resistant wear. Preferred to chrome lining when seeking out accuracy before you can post click... •Nitride does not affect the physical dimensions of the barrel was placed in the salt and! The U.S.A by hardworking men passionate about barrel-making inbox every week MILSPEC phosphate coating and chrome lined military. ” and “ I need to reload ” 25, 2020 phosphate, which can cause embrittlement vast amount people. Accuracy WORSE Pirates, Rule # 37: There is no “ overkill ” from maker! I opted to hold off life span for average use is 12,000 rounds 2020 ; by: lothaen ; 4... Replace any affiliate, commercial, or monetizable links, posted by users, our. Group to purchase, you will Run across NiB or nickel boron doesn t... Each barrel was a mk25 edition with phosphate coating is typically added of the barrel and does not require oils! Getting the rifle finished with something weather resistant surface hardness and corrosion resistance put anything the... More accurate melonited, which can cause embrittlement in need of a mini-assessment manganese phosphate which. Up just fine, requires plenty of lube, but are not made by FN, they are 4150v,! The accuracy problem using a 55gr cartridge instead chore, but only coats the inside and the of. Visit from the selection below need to reload ” palmetto State Armory 10.5 '' nitride 5.56 AR-15:...